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A fair coin is tossed 5 times . Find the...

A fair coin is tossed 5 times . Find the probability that it shows exactly three times head.

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Total no. of possible solutions ` = .^(5)C_(3)`
Total no. of solutions ` = 2^(5) = 32`
`:. " P(HHH) " = (.^(5)C_(3))/32`
` = 10/32 = 5/16`
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